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| author | kennytm <kennytm@gmail.com> | 2019-02-06 00:29:15 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-02-06 00:29:15 +0900 |
| commit | 64f0032a3739b18ae45387744340d9c7ce48b145 (patch) | |
| tree | 885838114d8fbd7748b2ce47358503f1460b31d9 /src/libcore | |
| parent | ff097ca7736d833759569f81668034ea01fe7d73 (diff) | |
| parent | 4847c097b46265963bbf9cd8006456b3ff31169b (diff) | |
| download | rust-64f0032a3739b18ae45387744340d9c7ce48b145.tar.gz rust-64f0032a3739b18ae45387744340d9c7ce48b145.zip | |
Rollup merge of #58145 - taiki-e:poll, r=cramertj
Add #[must_use] to core::task::Poll cc rust-lang/rfcs#2592 r? @withoutboats
Diffstat (limited to 'src/libcore')
| -rw-r--r-- | src/libcore/task/poll.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libcore/task/poll.rs b/src/libcore/task/poll.rs index 27b1139e15c..ac656153519 100644 --- a/src/libcore/task/poll.rs +++ b/src/libcore/task/poll.rs @@ -7,6 +7,7 @@ use result::Result; /// Indicates whether a value is available or if the current task has been /// scheduled to receive a wakeup instead. +#[must_use = "this `Poll` may be a `Pending` variant, which should be handled"] #[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)] pub enum Poll<T> { /// Represents that a value is immediately ready. |